Features: Adopts food-grade peristaltic silicone tube. 3mm*5mm(internal dia.*outside dia.) tube size. Motor driving and copper gear reveting. Speed transmission by gearbox. The gearbox drives the bracket of rollers and eliminate skidding. The trend of the flow with time, the flow after stabilization will be greater than the initial flow. Easy to disassemble the pump head. It can be used in wiping robot, soilless drip irrigation, aquarium, chemical testing, UAV spraying, pharmaceutical and other fields. Package includes 1pc peristaltic pump.